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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Culture Observer weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
With the live forecast above showing a mild, maritime-influenced pattern, Rotterdam in the Netherlands rarely sees extremes — the best time to visit is late spring (May–June) or early autumn (September) when temperatures hover around 17–20°C and rainfall is lower.
What to expect from Rotterdam’s weather
Rotterdam’s climate sits firmly in the temperate zone, moderated by the North Sea. Winters (December–February) are cloudy but seldom freezing, with average highs of 6–8°C; pack a waterproof coat and layers. Summers (June–August) reach 22–24°C, though humidity can climb — a light jacket is useful for cooler evenings. The city receives 800–900mm of rain annually, spread evenly, so a compact umbrella is wise in any season.
Best months for a traveller
For a Culture Observer trip, aim for May (tulip season, 15°C) or September (fewer crowds, 18°C). July and August are busiest with school holidays across Europe, pushing accommodation prices higher. The UK weather hub notes that Rotterdam’s 30-day outlook often mirrors southern England, so checking 10-day forecasts before departure is sensible.
When is the cheapest time to visit Rotterdam?
Late November to early March, excluding Christmas. Hotels drop 20–30% in off-peak, though expect 5–7°C and drizzle — pack a warm coat.
Does Rotterdam get snow?
Light snow falls 5–10 days a year, usually in January or February, but it rarely settles. The city’s ports and canals keep temperatures slightly above inland lows.
How does the weather compare to the UK?
Rotterdam is 1–2°C warmer than Birmingham or Liverpool in summer, with less wind. Winters are similar — see Glasgow Weather for a close analogue.